Home / 39,663.80-59,539.44-19,937.06

Finding the Fourth Proportional to 39,663.80, 59,539.44 and 19,937.06

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Solution

The fourth proportional to 39,663.80, 59,539.44 and 19,937.06 is: 29,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.80 : 59,539.44 = 19,937.06 : x
  2. Step 2: Convert to fraction form
    39,663.80/59,539.44 = 19,937.06/x
  3. Step 3: Cross multiply
    39,663.80x = 59,539.44 × 19,937.06
  4. Step 4: Simplify right side
    39,663.80x = 1,187,041,387.65
  5. Step 5: Solve for x
    x = 1,187,041,387.65/39,663.80
  6. Step 6: Final answer
    x = 29,927.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.